On May 7, 2018, at 7:46 AM, Ayappan P2 <ayapp...@in.ibm.com> wrote: > > Hi All, > > We are using Postgresql in AIX. Unlike some other databases, Postgresql has > lot of other process running in the background along with the main process. > > We do "renice" only on the Postgres main process. Is it sufficient to have > higher priority only for the main process or we have to do "renice" for all > the Postgresql related process ( like wal writer, logger , checkpointer > etc.,) ? >
What do you hope to achieve with your renicing? There is a compelling school of thought which holds that nice database processes take longer to relinquish their resources, which doesn't end up helping anything at all.
